Have you ever visited a web site, started reading the text and realize you have no idea what is being communicated to you. Have you ever felt that the web site you are reading appears to be written for a machine and not a person? Have you simply clicked away from the appalling web site?
Keyword relevance is another buzz word floating around the Internet by search engine optimization companies. This is almost as annoying as the ridiculous stat that these same companies when taking about 95% of web users find what they are looking for using the top 8 of 10 search engines.